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Finding the Fourth Proportional to 637,894.71, 956,868.78 and 238,495.05

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Solution

The fourth proportional to 637,894.71, 956,868.78 and 238,495.05 is: 357,752.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,894.71 : 956,868.78 = 238,495.05 : x
  2. Step 2: Convert to fraction form
    637,894.71/956,868.78 = 238,495.05/x
  3. Step 3: Cross multiply
    637,894.71x = 956,868.78 × 238,495.05
  4. Step 4: Simplify right side
    637,894.71x = 228,208,467,529.54
  5. Step 5: Solve for x
    x = 228,208,467,529.54/637,894.71
  6. Step 6: Final answer
    x = 357,752.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.